ˈ ̷ ̷| ̷ ̷ noun
Etymology: off (III) + side
1.
a. chiefly Britain : the right side (as of a horse or a vehicle)
b. : the far or inferior side
into the rough surroundings of Chicago's offside — Science
2.
[ off side ]
: an instance of being off side in a game
five-yard penalty for offside